Re: g(f(x,y) ,y) = k*f(g (x,y) ,y) ...



On 12 avr, 09:01, "alainvergh...@xxxxxxxx" <alainvergh...@xxxxxxxx>
wrote:
g and f functions on R*R , k a given constant <> 0 .
The idea is building pairs {g,f}  such as
    g(f(x,y) ,y) = k*f(g (x,y) ,y) is verified.
I've found solutions for the value  k = 1

Alain

I would be pleased to get your views on this
functionnal equation,

Thanks,
Alain
.